opoptimized Date object serialize/unserialize for Java.
updated date.php.
updated PHPRPC 3.0 for PHP to beta 5.
Add date.php for PHPRPC 3.0 for PHP.
opoptimized Date object serialize/unserialize for javascript.
opoptimized java.util.Date serialize/unserialize.
fixed a bug in PHPSerializer.java.
Add Cast.java. Update phprpc 3.0 for java to beta 4.
optimized byte[] and String serialize/unserialize for Java.
